7(4-7a)+7a=-98

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Solution for 7(4-7a)+7a=-98 equation: 



7(4-7a)+7a=-98

We move all terms to the left:

7(4-7a)+7a-(-98)=0

We add all the numbers together, and all the variables

7(-7a+4)+7a-(-98)=0

We add all the numbers together, and all the variables

7a+7(-7a+4)+98=0

We multiply parentheses

7a-49a+28+98=0

We add all the numbers together, and all the variables

-42a+126=0

We move all terms containing a to the left, all other terms to the right

-42a=-126

a=-126/-42

a=+3

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